apply a refined modern classic interior style to the existing 3d model preserving the original geometry and layout walls finished with clean precise painted panelling in a classic rectangular grid with shallow depth and sharp detailing in soft off white tones stair treads in light natural timber oak with a smooth matte finish and gently rounded edges stair structure painted to match walls with soft sculpted curves at the base balustrade formed with slender simplified turned balusters painted off white pair with a slim smooth black handrail for a subtle contemporary contrast flooring in light timber laid in a parquet pattern with a neat border detail details and junctions are highly refined and minimal with crisp lines and consistent proportions lighting is soft even natural daylight with low contrast and no visible feature lighting creating a calm gallery like atmosphere materials are light and balanced pale timber off white painted surfaces and restrained black accents overall style is elegant minimal and contemporary with classical influence precise calm and highly resolved apply style only no major geometry changes